Re: C128 256K MMU expansion

From: Jim Brain <brain_at_jbrain.com>
Date: Sun, 24 Jul 2022 22:18:05 -0500
Message-ID: <7fe96e47-0a90-7468-8dac-4df34010bdb6_at_jbrain.com>
On 7/22/2022 4:18 PM, silverdr_at_srebrnysen.com wrote:
>
>> On 2022-07-19, at 02:50, Jim Brain<brain_at_jbrain.com>  wrote:
>>
>> 72 macrocells would be too few for the MMU, but a 95288 should work, or a small Lattice FPGA.
> A quick check w/o pushing anything shows 160 as the smallest that could accomodate this design. Unsure if it could be squeezed into 128

Yep, I counted the registers needed and was above 144, so 288 is the 
only one that would fit, if that.

Jim


-- 
Jim Brain
brain_at_jbrain.com  
www.jbrain.com
Received on 2022-07-25 06:00:02

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